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Class 701/44 - Artificial intelligence (e.g., fuzzy logic)


Subclass of Class 701 - Data processing: vehicles, navigation, and relative location
Definition: Steering control wherein the electrical data processing system
No. of patents: 61
Last issue date: 05/29/2012


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NumberTitleIssue Date
8190330Model based predictive control for automated lane centering/changing control systems
A system and method for providing steering control for lane changing and lane centering purposes in an autonomous or semi-autonomous vehicle system. A vehicle vision system calculates roadway lane marking information, such as lateral offset, yaw angle and roadway cu...
05/29/2012
8150582Systems and methods for decoupling steering rack force disturbances in electric steering
A system for decoupling steering rack force disturbances in electric steering may comprise a steering wheel angle sensor, a yaw rate sensor, a lateral acceleration sensor, and a steering torque sensor. The system may also comprise a tire force generator configured t...
04/03/2012
7818108System of automatic control of maneuver of motor crafts, related method, and craft provided with the system
The present invention concerns a system of automatic control of manoeuvre of motor crafts that allows, in a reliable and efficient way, to simplify piloting of multi-motor crafts, particularly in manoeuvres within restricted spaces such as for instance, but not excl...
10/19/2010
7769512Vehicle steering control method and performance
A vehicle steering control method including the steps of obtaining a heading error, obtaining a velocity value, obtaining a distance error, applying the heading error, inputting a measure of operator aggressiveness and defuzzifying an output from a steering rule bas...
08/03/2010
7424352Driving situation detection system
A driving situation detection system capable of detecting driving situations swiftly with high reliability is obtained. The driving situation detection system includes real curve arithmetic means reference vehicle model and observer means, a differentiator unit, a m...
09/09/2008
7415126Occupant sensing system
Optical classification method for classifying an occupant in a vehicle by acquiring images of the occupant from a single camera and analyzing the images acquired from the single camera to determine a classification of the occupant. The single camera may be a digital...
08/19/2008
7363186Apparatus and method for self calibration of current feedback
The current drawn by a precision resistor that is selectively connected across a load is utilized to calibrate a current sensed by current sensing device that is connected in series with the load. ...
04/22/2008
7344037Inventory storage and retrieval system and method with guidance for load-handling vehicle
An inventory storage and retrieval system and method are provided for a shipping or storage facility. In an embodiment, the system includes: (a) a mobile computer and radio on a load-handing vehicle; (b) sensors on the vehicle to determine the ground location and or...
03/18/2008
7322438Control apparatus for an electrically driven power steering
An electrically driven power steering control apparatus for a vehicle gives a steering assist torque to a steering mechanism by supplying electric power to an electrically driven motor based on a steering operation made by a driver. This control apparatus detects ti...
01/29/2008
7315772Motion control apparatus and method for automotive vehicle
In vehicular motion control apparatus and method, a vehicle speed variation rate limiter is provided to place a vehicle speed variation rate limitation on a detection value (V) of a vehicle speed and varying a vehicle speed variation rate limiter value in accordance...
01/01/2008
7272479Electrically operated power steering controller and adjusting method of driving electric current offset in this controller
The invention proposes an electrically operated power steering controller for inputting a driving electric current offset value of higher accuracy and being able to make an offset correction of a driving electric current by using this driving electric current offset...
09/18/2007
7233853Multiple mode operational system for work vehicle braking
A work vehicle includes a multiple mode operational system having a work system such as a linkage and associated hydraulic cylinders of a backhoe, a braking system and a multiple mode control system. The multiple mode control system includes a central controller, a ...
06/19/2007
7181326Active front steer control for vehicle stability enhancement
An AFS control system that combines and weights yaw rate feedback and side-slip rate feedback to provide increased vehicle stability enhancement control. The AFS system includes a yaw rate sub-system that generates a desired yaw rate signal. The AFS system also incl...
02/20/2007
7177743Vehicle control system having an adaptive controller
The vehicle control system having an adaptive controller is provided that accomplishes unsupervised learning such that no prior extensive training is needed for every situation. The inventive controller system is based on a neural network evolved with genetic algori...
02/13/2007
7124010Driving assist system for vehicle
A vehicle driving assist system comprises a condition recognition device that detects a vehicle condition and a traveling environment around a subject vehicle; a reactive force application device that applies a reactive force, in conformance to the vehicle condition...
10/17/2006
7096192Method and system for detecting fraud in a credit card transaction over a computer network
A method and system for detecting fraud in a credit card transaction between consumer and a merchant over the Internet. The method and system comprises obtaining credit card information relating to the transaction from the consumer; and verifying the credit card inf...
08/22/2006
7073623Electrical steering system for manned or unmanned operation
A method and system for controlling an electrical steering system supports both manned and unmanned operation of a steering system for a vehicle. A steering wheel is coupled to an electric motor shaft for rotation with the steering wheel. A torque transducer senses ...
07/11/2006
7059999Method and device for controlling the drive unit of a vehicle
A method and an arrangement for controlling the drive unit of a vehicle are suggested which prevent a lost motion and a dead path in the interpretation of the position of the accelerator pedal for forming a desired acceleration. An acceleration command is derived fr...
06/13/2006
7054723Information presentation controlling apparatus and method based on driver's mental fatigue
In information presentation controlling apparatus and method, a detecting section detects a running state of a mobile body and a running environment thereof, a mental fatigue calculating section calculates a mental fatigue that an operator of the mobile body (specif...
05/30/2006
7047996Flow controlling apparatus
A flow controlling apparatus to control flow rate of working fluid discharged from pump apparatus to a power steering apparatus including a electric variable throttle, a solenoid mechanism and a spool. The solenoid mechanism varies opening degree of the electric var...
05/23/2006
7040954Methods of and apparatus for controlling polishing surface characteristics for chemical mechanical polishing
Apparatus and methods control CMP to uniformly polish a series of wafers. Average motor current I(avg) drawn by, and related average work W(avg) performed by, motors during CMP on the wafers reliably indicate quality of a roughness polishing characteristic of a poli...
05/09/2006
7032763System and method for automatically guiding a gantry crane
An automatic guidance system and method are provided for a gantry crane to permit accurate tracking along a path, including a curved path. The position of the crane is determined from two spaced apart GPS receivers fixed to the crane. A guidance controller determine...
04/25/2006
6988583Electrical steering system for manned or unmanned operation
A method and system for controlling an electrical steering system supports both manned and unmanned operation of a steering system for a vehicle. A steering wheel is coupled to an electric motor shaft for rotation with the steering wheel. A torque transducer senses ...
01/24/2006
6988027Electric power steering system
In an electric power steering system, during initial processing after an ignition switch is turned on, when a main CPU completes calculation of an offset voltage, it sends an offset voltage calculation request signal to a sub CPU. When the time from sending the offs...
01/17/2006
6987371Steering controlling device
A steering controlling device comprising a power source, a motor connected to a steering system, a motor driving circuit converting a power source voltage to a predetermined voltage and applying the voltage to the motor, and a controlling means for controlling the m...
01/17/2006
6980124Wireless security, telemetry and control system
The present invention relates to a security, telemetry and control system which utilizes wireless communication between a control unit and smart relay(s) within the vehicle and also utilizes wireless communication between the vehicle and a remote base station to mon...
12/27/2005
6950712System and method for nonlinear dynamic control based on soft computing with discrete constraints
A control system using a genetic analyzer based on discrete constraints is described. In one embodiment, a genetic algorithm with step-coded chromosomes is used to develop a teaching signal that provides good control qualities for a controller with discrete constrai...
09/27/2005
6948729Method and device for managing slot parking of motor vehicles
A method and a device for slot parking of a mobile vehicle (1), the slot parking (15) includes positioning (19,22), locking (23,25), unlocking (26,27) and realigning (28,29) phases, the method using elements to evaluate avai...
09/27/2005
6943512Control apparatus for electric power steering system
The present invention is a control apparatus for controlling an electric power steering system having steering assist force control means for controlling a motor that gives a steering assist force to a steering mechanism relying upon a main torque input value obtain...
09/13/2005
6941212Stability factor learning method and apparatus for a vehicle and control apparatus for a vehicle
The invention provides a technique for learning a stability factor of a vehicle by which the stability factor of the vehicle can be calculated in response to a state of the vehicle. To this end, a state of the vehicle during traveling is detected, and it is decided ...
09/06/2005
6931330Methods for monitoring and controlling chemical mechanical planarization
Methods are provided for monitoring and controlling a chemical mechanical planarization (CMP) process. Relationships between motor torques and CMP process parameters are determined and utilized to provide a basis for monitoring and controlling the CMP process. Motor...
08/16/2005
6901320Friction compensation in a vehicle steering system
The present invention provides systems and methods of friction compensation in a steer-by-wire system or in a general electric steering system using control, estimation and modeling methodologies. A friction compensator in the steer-by-wire control system produces a...
05/31/2005
6856870Power steering system
A power steering system capable of giving a driver no discomfort even when an incoming current instruction value sharply decreases. The power steering system comprises a controller C for determining a solenoid current instruction value SI on the basis of a current i...
02/15/2005
6845310Power steering system
A power steering system capable of preventing an unnecessary standby flow produced in high speed travel. A controller C determines a basic current instruction value Id based on a current instruction value I1 in accordance with a steering angle detected by a steering...
01/18/2005
6799105Variable steering ratio control system and method
The present invention involves a system and method of controlling a variable steering ratio of a vehicle steer-by-wire system. The variable steering ratio control varies the steering ratio continuously according to steering angle and vehicle speed. The method compri...
09/28/2004
6795763Expert-type vehicle steering control system and method
The present invention involves a system and method of controlling a vehicle steer-by-wire system to provide the variable and adjustable steering feel for the driver utilizing expert-type fuzzy logic technology. The steering wheel fuzzy logic controller controls the ...
09/21/2004
6772055System, a vehicle and a method concerning the behavior of a vehicle
The invention concerns a system for generating basis for decisions concerning the behavior of a vehicle and/or of a driver of a vehicle. The system comprises a supervising unit (10) which comprises at least one storage member (12). In the storage membe...
08/03/2004
6751539Vehicle steering control system
In a steering mechanism of steer-by-wire type which includes a first steering unit that is handled by a driver and a second steering unit that steers steered road wheels with the aid of a steering motor, there is employed a control system which input and output dete...
06/15/2004
6691010Method for developing an algorithm to efficiently control an autonomous excavating linkage
The present invention is a control system for controlling movement of a work implement from a dig location to a dump location. The work implement has at least four degrees of freedom defined by a swing joint angle θswing, a boom joint angle θ...
02/10/2004
6668219Artificial intelligence diagnostic device for automobile and control device for the same
An artificial intelligence diagnostic device is provided for performing concentrated management on electric devices and control devices of an automobile using a separate diagnostic central processing unit to diagnose the malfunction of the automobile in r...
12/23/2003
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